From 75758da63252c205e7b7294aa5f6316e0a835d03 Mon Sep 17 00:00:00 2001
From: Eric Kooistra <kooistra@astron.nl>
Date: Wed, 2 Nov 2022 13:34:50 +0100
Subject: [PATCH] Add
func_wpfb_map_real_input_wpfb_parameters_to_complex_input().
---
libraries/dsp/wpfb/src/vhdl/wpfb_pkg.vhd | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/libraries/dsp/wpfb/src/vhdl/wpfb_pkg.vhd b/libraries/dsp/wpfb/src/vhdl/wpfb_pkg.vhd
index 62105ae77d..df393099f5 100644
--- a/libraries/dsp/wpfb/src/vhdl/wpfb_pkg.vhd
+++ b/libraries/dsp/wpfb/src/vhdl/wpfb_pkg.vhd
@@ -71,11 +71,13 @@ package wpfb_pkg is
end record;
-----------------------------------------------------------------------------
- -- Map WPFB parameters to FIL parameter and to FFT parameters
+ -- Map WPFB parameters
-----------------------------------------------------------------------------
function func_wpfb_map_wpfb_parameters_to_fil_ppf(g_wpfb : t_wpfb) return t_fil_ppf;
function func_wpfb_map_wpfb_parameters_to_fft(g_wpfb : t_wpfb) return t_fft;
+ function func_wpfb_map_real_input_wpfb_parameters_to_complex_input(g_wpfb : t_wpfb) return t_wpfb;
+
-----------------------------------------------------------------------------
-- LOFAR2 subband filter
-----------------------------------------------------------------------------
@@ -286,6 +288,16 @@ package body wpfb_pkg is
return c_fft;
end func_wpfb_map_wpfb_parameters_to_fft;
+
+ function func_wpfb_map_real_input_wpfb_parameters_to_complex_input(g_wpfb : t_wpfb) return t_wpfb is
+ variable v_wpfb : t_wpfb := g_wpfb;
+ begin
+ v_wpfb.nof_wb_streams := c_nof_complex * v_wpfb.nof_wb_streams;
+ v_wpfb.use_separate := false;
+ return v_wpfb;
+ end func_wpfb_map_real_input_wpfb_parameters_to_complex_input;
+
+
function func_wpfb_subband_scale_w(wpfb : t_wpfb) return natural is
begin
return wpfb.fft_out_dat_w + wpfb.fft_out_gain_w - (wpfb.fil_in_dat_w + wpfb.fil_backoff_w);
--
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